Home / 83,669.27-125,585.87-61,419.56

Finding the Fourth Proportional to 83,669.27, 125,585.87 and 61,419.56

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Solution

The fourth proportional to 83,669.27, 125,585.87 and 61,419.56 is: 92,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.27 : 125,585.87 = 61,419.56 : x
  2. Step 2: Convert to fraction form
    83,669.27/125,585.87 = 61,419.56/x
  3. Step 3: Cross multiply
    83,669.27x = 125,585.87 × 61,419.56
  4. Step 4: Simplify right side
    83,669.27x = 7,713,427,942.59
  5. Step 5: Solve for x
    x = 7,713,427,942.59/83,669.27
  6. Step 6: Final answer
    x = 92,189.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.